4 Pack Lot Swivel Stem Caster with 2" Hard Rubber Wheel 1/2" tall Threaded Stem Heavy Duty * Wheel Width: 0.75", Wheel Dia. : 2" * Overall Height: 3.25" * Stem Size:Stem Size: 0.5" Tall x 3/8" Diameter * Frame Material: Steel, Wheel Material: Hard Rubber